不能说的秘密

A |     　　讯 8月12日，西部陆海新通道骨干工程平陆运河实船试验正式启动。    (ECNS) -- China recorded improvements in both air and water quality in the first seven months of 2026, with average PM2.5 concentrations falling 6.2% year on year, Minister of Ecology and Environment Huang Runqiu said Thursday.    The average concentration of fine particulate matter, or PM2.5, fell by 1.8 micrograms per cubic meter from a year earlier, while the proportion of days with good air quality increased by 3.9 percentage points, Huang said at a press conference held by the State Council Information Office.         The proportion of surface-water monitoring sections meeting Grade I-III water quality standards reached 86.5%, up 2.4 percentage points year on year. Water quality in the main streams of the Yangtze and Yellow rivers remained at Grade II.    (By Helen Mo, intern Yang Hongran)                    。本次试验将分阶段完成常规工况、不利工况通航验证与全线航标效能检测，全面核验运河航道、船闸、锚地、服务区、助航设施适配性，为平陆运河9月通航做好准备。　　平陆运河是新中国成立以来建设的首条通江达海的大运河，通航后将成为西南地区运距最短、最经济、最便捷的出海通道。版权申明：凡注有“”或电头为“”的稿件，均为独家版权所有，未经许可不得转载或镜像；授权转载必须注明来源为“”，并保留“”的电头。    。